<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        var clothes = [
            {
                "title": "2019 wish 跨境秋季欧美爆板女装连衣裙 修身显瘦长款花朵吊带裙",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/636/393/14247393636_846235425.jpg",
                "promotion_price": "17.00",
                "price": "17.00",
                "sales": 7000,
                "num_iid": "45566582412",
                "seller_nick": "广州伊霏凡服饰有限公司",
                "tag_percent": "58.6%",
                "area": "广州市",
                "detail_url": "https://detail.1688.com/offer/45566582412.html"
            },
            {
                "title": "连衣裙女2021春夏新款系带泡泡袖显瘦收腰碎花短裙外贸女装批发",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/854/650/22828056458_1179464981.jpg",
                "promotion_price": "17.00",
                "price": "17.00",
                "sales": 140000,
                "num_iid": "631485240015",
                "seller_nick": "普宁市燎原五笔蟹服装厂",
                "tag_percent": "25.5%",
                "area": "普宁市",
                "detail_url": "https://detail.1688.com/offer/631485240015.html"
            },
            {
                "title": "跨境电商ebay热卖欧美女装性感手工钩织流苏休闲套装泳装罩衫 5星",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/875/994/16281499578_212653647.jpg",
                "promotion_price": "50.00",
                "price": "50.00",
                "sales": 5000,
                "num_iid": "619158432168",
                "seller_nick": "泉州市众思创进出口贸易有限公司",
                "tag_percent": "52%",
                "area": "晋江市",
                "detail_url": "https://detail.1688.com/offer/619158432168.html"
            },
            {
                "title": "2021亚马逊跨境欧美春夏女装亚马逊宽松纯色印花无袖休闲套装现货",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/O1CN01KeBeft1fDgDqEAbLX_!!1795473973-0-cib.jpg",
                "promotion_price": "42.00",
                "price": "42.00",
                "sales": 50000,
                "num_iid": "635637669426",
                "seller_nick": "秦新喜",
                "tag_percent": "50.7%",
                "area": "广州市",
                "detail_url": "https://detail.1688.com/offer/635637669426.html"
            },
            {
                "title": "2021欧美春夏女装亚马逊独立站wish新品女透明网纱印花性感两件套",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/O1CN01jErYe826CIe9HUGim_!!6000000007625-0-cib.jpg",
                "promotion_price": "37.00",
                "price": "37.00",
                "sales": 20000,
                "num_iid": "635021107526",
                "seller_nick": "厦门锦之涵服饰有限公司",
                "tag_percent": "40.9%",
                "area": "广州市",
                "detail_url": "https://detail.1688.com/offer/635021107526.html"
            },
            {
                "title": "实拍韩国2021夏季新款女装韩版宽松几何印花短袖T恤女豹纹休闲裤",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/O1CN01vVsWfj222u4XacESW_!!2206515787063-0-cib.jpg",
                "promotion_price": "34.30",
                "price": "34.30",
                "sales": 4000,
                "num_iid": "637815988990",
                "seller_nick": "息县韩依时代女装服装批发店",
                "tag_percent": "6.4%",
                "area": "广州市",
                "detail_url": "https://detail.1688.com/offer/637815988990.html"
            },
            {
                "title": "欧美风2020秋冬女装新款性感修身小背心高腰包臀阔腿裤休闲套装女",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/282/083/21871380282_1453572700.jpg",
                "promotion_price": "59.90",
                "price": "59.90",
                "sales": 9000,
                "num_iid": "629900610899",
                "seller_nick": "广州市依米尔服饰有限公司",
                "tag_percent": "40%",
                "area": "广州市",
                "detail_url": "https://detail.1688.com/offer/629900610899.html"
            },
            {
                "title": "连衣裙女2021春夏新款女装长袖小碎花中长款打底裙两件套现货",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/902/061/23571160209_11863035.jpg",
                "promotion_price": "35.00",
                "price": "35.00",
                "sales": 60,
                "num_iid": "634431267098",
                "seller_nick": "东莞市韩寇服饰有限公司",
                "tag_percent": "26.3%",
                "area": "东莞市",
                "detail_url": "https://detail.1688.com/offer/634431267098.html"
            },
            {
                "title": "X3897跨境新品速卖通亚马逊wish时尚欧美休闲女装针织无袖连体裤",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/621/724/23478427126_892403295.jpg",
                "promotion_price": "36.00",
                "price": "36.00",
                "sales": 3000,
                "num_iid": "633528105461",
                "seller_nick": "广州市馨衣竹服饰有限公司",
                "tag_percent": "52.5%",
                "area": "广州市",
                "detail_url": "https://detail.1688.com/offer/633528105461.html"
            },
            {
                "title": "现货 A8327 欧美女装 2021 春夏纯色多色长袖短裤运动休闲套装",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/O1CN01wT5fne1OR6Myiyev6_!!4019511701-0-cib.jpg",
                "promotion_price": "40.00",
                "price": "40.00",
                "sales": 3000,
                "num_iid": "638597250778",
                "seller_nick": "深圳市宝安区黛安娜服饰商行",
                "tag_percent": "51.4%",
                "area": "广州市",
                "detail_url": "https://detail.1688.com/offer/638597250778.html"
            },
            {
                "title": "2021年毛衣女网红韩版女装春季短袖t恤女秋中袖打底针织衫泡泡袖",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/O1CN01j8ugIs1a2caa5B5wM_!!3249173272-0-cib.jpg",
                "promotion_price": "26.00",
                "price": "26.00",
                "sales": 40000,
                "num_iid": "638033144991",
                "seller_nick": "东莞市大朗千其时装厂",
                "tag_percent": "13.3%",
                "area": "东莞市",
                "detail_url": "https://detail.1688.com/offer/638033144991.html"
            },
            {
                "title": "S936欧美女装时尚印花比基尼绑带罩衫三件套连衣裙",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/O1CN01iCuTMR1D7tzQjEA9t_!!2209219760170-0-cib.jpg",
                "promotion_price": "44.00",
                "price": "44.00",
                "sales": 4000,
                "num_iid": "638197893788",
                "seller_nick": "丰泽区晟晴服饰商行",
                "tag_percent": "51.2%",
                "area": "泉州市",
                "detail_url": "https://detail.1688.com/offer/638197893788.html"
            },
            {
                "title": "2020亚马逊秋季爆款女装礼服 欧美跨境单肩披肩连体裤一件代发",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/811/548/15617845118_1268699109.jpg",
                "promotion_price": "57.00",
                "price": "57.00",
                "sales": 5000,
                "num_iid": "569999372751",
                "seller_nick": "深圳市龙岗区嫚姿秀服装厂",
                "tag_percent": "45.1%",
                "area": "深圳市",
                "detail_url": "https://detail.1688.com/offer/569999372751.html"
            },
            {
                "title": "运动套装女2021春秋新款韩版字母大码女装显瘦立领运动套装两件套",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/681/734/21112437186_208991165.jpg",
                "promotion_price": "90.00",
                "price": "90.00",
                "sales": 130000,
                "num_iid": "625750406348",
                "seller_nick": "厦门比尔百姿时装有限公司",
                "tag_percent": "11.9%",
                "area": "厦门市",
                "detail_url": "https://detail.1688.com/offer/625750406348.html"
            },
            {
                "title": "欧美爆品2021春新款女装长袖后背交叉绑带露脐木耳边T恤短裙套装",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/954/267/18484762459_879671070.jpg",
                "promotion_price": "34.80",
                "price": "34.80",
                "sales": 10000,
                "num_iid": "624048587609",
                "seller_nick": "广州简翰服装贸易有限公司",
                "tag_percent": "32.3%",
                "area": "广州市",
                "detail_url": "https://detail.1688.com/offer/624048587609.html"
            },
            {
                "title": "新品9色冰瓷棉短袖t恤女春夏2021日系圆领修身打底衫直播ins女装",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/O1CN01yFlidp1cnSJzO7gIh_!!4233523645-0-cib.jpg",
                "promotion_price": "23.00",
                "price": "23.00",
                "sales": 4000,
                "num_iid": "638347817559",
                "seller_nick": "即墨区尼高针织服装厂",
                "tag_percent": "20.8%",
                "area": "即墨市",
                "detail_url": "https://detail.1688.com/offer/638347817559.html"
            },
            {
                "title": "DN8548亚马逊热卖 欧美女装 跨境外贸夜店性感彩线透视长袖连体裤",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/394/485/21944584493_1571372787.jpg",
                "promotion_price": "51.00",
                "price": "51.00",
                "sales": 10000,
                "num_iid": "629888122973",
                "seller_nick": "丰泽区菲妮娜服饰商行",
                "tag_percent": "55.6%",
                "area": "泉州市",
                "detail_url": "https://detail.1688.com/offer/629888122973.html"
            },
            {
                "title": "潮牌卫衣套装女装2021春季热销新款长袖衫宽松大码毛圈棉圆领上衣",
                "pic_url": "https://cbu01.alicdn.com/img/ibank/2020/046/670/21215076640_842105506.jpg",
                "promotion_price": "20.00",
                "price": "20.00",
                "sales": 20000,
                "num_iid": "627477888926",
                "seller_nick": "深圳市福田区依克纯服饰商行",
                "tag_percent": "5.4%",
                "area": "深圳市",
                "detail_url": "https://detail.1688.com/offer/627477888926.html"
            }
        ]
        /*
        需求1: 输出商品的标题和促销价格
        需求2: 促销价格整体降5元
        需求3: 输出销量少于5000的商品 
        需求4: 输入所在地,输出商铺的名称
        需求5:求所有销量的和 (字段是sales)
        需求6:是否所有的销量都是5000以上
        需求7:有没有哪一件商品销量大于15000 
        
        
        */

        // 下标  for in for of 
        // for(var value of clothes){
        //     // value 对象 
        //     console.log(value['title'],value['promotion_price'])
        // }


        // for(var value of clothes){
        //    // value
        //    value['promotion_price']-=5
        // }
        // console.log(clothes)

        // for(var value of clothes){
        //    if(value['sales']<5000){
        //         console.log(value['title'],value['sales'])
        //    }
        // }
        // var area = prompt('请输入您的所在','深圳市');
        // for(var value of clothes){
        //    if(value['area'] == area){
        //         console.log(value['area'],value['seller_nick'])
        //    }
        // }


        // var sums = 0;
        // for(var value of clothes){
        //     sums += value['sales']
        // }
        // console.log(sums);

        // var allsales = true; // 假设所有的都大于5000
        // for (var value of clothes) {
        //     if (value['sales'] < 5000) {
        //         allsales = false; // 如果有小于5000的 变成false
        //         break  //终止整个循环  
        //     }
        // }
        // if (allsales) {
        //     console.log(true)
        // }
        // else {
        //     console.log(false)
        // }

        // var allsales2 = false;
        // for (var value of clothes) {
        //     if (value['sales'] > 15000) {
        //         allsales = true; // 如果有大于15000的 变成true
        //         break  //终止整个循环  
        //     }
        // }
        // if (allsales) {
        //     console.log(true) // 有1件就是true
        // }
        // else {
        //     console.log(false) // 一件也没有就是false 
        // }

        // //面相过程 
        // // 函数式编程 
        // function is_sales_good(arr) {
        //     var allsales2 = false;
        //     for (var value of arr) {
        //         if (value['sales'] > 15000) {
        //             allsales = true; // 如果有大于15000的 变成true
        //             break  //终止整个循环  
        //         }
        //     }
        //     if (allsales) {
        //         return true // 有1件就是true
        //     }
        //     else {
        //         return false // 一件也没有就是false 
        //     }
        // }

        // var res = is_sales_good(clothes);
        // console.log(res)
    </script>
</body>

</html>